That 5-inch Dell mini-tablet we saw in a leaked video last month looked like it had U.S. spec 3G, and now a Chinese-language Commercial Times report suggests the touchscreen device will be part of a new series headed to AT&T.

We heard Dell was developing a couple of Android prototypes, the first being its Android phone. Is this mini-tablet with 5-inch touchscreen, 3G and Wi-Fi the second? Video, pics, and a size comparison after the jump.